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Waveshare Power Management HAT

Power Management HAT for Raspberry Pi, with Embedded Arduino MCU and RTC. The Power Management HAT is a smart power bank designed for Raspberry Pi....
31-00017210
Company: Waveshare
Part Number: 17210
Made in: China
In Stock
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24.80
Without VAT 20.00
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DESCRIPTION

Power Management HAT for Raspberry Pi, with Embedded Arduino MCU and RTC.

The Power Management HAT is a smart power bank designed for Raspberry Pi. With the embedded Arduino MCU and RTC, the HAT features auto power management function which allows the Pi to work more power-efficient and more safely.

If you're looking for some convenient utilities for yor long-term working Raspberry Pi, such as longer battery life, or auto power on-off control, this Power Management HAT would be the ideal choice.

By auto starting up on specified period, and auto shutdown at other time, the HAT can greatly save the battery life. It will monitors the operating voltage/current status of the Raspberry Pi in real time, and can be configured to shut the Pi down according to the operating status. What's more, it comes with a handy power switch for easy on or off (safely shutdown the Pi by software), to avoid data loss caused by unplugging the power supply.

What's on Board

  1. ATmega328P-AU MCU
  2. MP1584 power manager
  3. PCF8523 RTC chip
  4. CP2102 UART converter
  5. CAT24C32: EEPROM storage chip
  6. Raspberry Pi GPIO connector: for connecting Raspberry Pi
  7. PH2.0 connector: for 7~28V regulated power supply or lithium battery
  8. USB TO UART: for power input or UART communication
  9. DEBUG switch:
    DEBUG side: power supply will bypass the Arduino and directly provides to Raspberry Pi
    the opposite side: power supply is managed by Arduino
  10. PWR button: for Raspberry Pi power on/off, or user-defined function
  11. RST button: Arduino reset
  12. Status indicator
  13. Power indicator
  14. CR1220 button battery holder
  15. UART selection:
    A: access Arduino via USB to UART
    B: control the Raspberry Pi by Arduino
    C: access Raspberry Pi via USB to UART

THE PACKAGE INCLUDES

  1. 1x Power Management HAT
  2. 1x 18650 battery case
  3. 1x USB-A to USB micro B cable
  4. 1x Female pinheader 2x20PIN
  5. 1x RPi screws pack (2pcs)

 

NOTES

  • The Raspberry Pi and 18650 batteries are NOT included.

 

SPECIFICATIONS

HAT Type:
  • Power Supply
Raspberry Compatible:
  • Model 4 B
  • Model 3 B+
  • Model 3 B

EXTRA SPECIFICATIONS

  • Controller: ATmega328P-AU
  • Communication interface: UART + GPIO
  • Baudrate: 115200bps by default (programmable)
  • Power supply interface: USB port or PH2.0 connector
  • USB power input voltage: 5V
  • PH2.0 power input voltage: DC 7~28V (regulated power supply or lithium battery)
  • Embedded circuits: power supply anti-reverse, counter current proof, voltage monitoring, current monitoring
  • Mounting hole size: 3.0mm

FEATURES

  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
  • Onboard ATmega328P MCU, supports Arduino programming
  • Onboard PCF8523 RTC chip, provides precise RTC information
  • Onboard CP2102 UART converter, for UART communication or ATmega328P programming
  • Comes with development resources and manual
  • User-defined button, can be used for Raspberry Pi start up, safely shutdown, or other customized function
  • Protection circuits such as: power supply anti-reverse, counter current proof, etc. ensures stable and safe operating
  • Voltage/current monitoring circuit, monitors the Raspberry Pi operating voltage and current in real time